shepherd92683 Posted June 23, 2020 Report Posted June 23, 2020 I’m going to have an XS SB500-34R for a front battery. One run of 1/0 with a 300a fuse to the rear. Running 2 1/0 fused 200a each to the 40ah lithium bank. Fusing 2 1/0 runs 200a each to a Soundqubed 4500. Also a run to a Boston GT 4100 from the rear lithium bank. Stock 130a alternator. What do you guys think of this? Thanks for any help! 2017 Honda Accord Touring Build coming soon
liteblue Posted January 7, 2021 Report Posted January 7, 2021 300 amp fuse on all the 1/0. fuse is to protect the wire. Not sure about the rms of those two amps but there is math you can do to get a rough idea. take the RMS wattage divide by 13.8 to get amperage. Divide that by .7 for efficiency. totals to rms amperage and the minimum fuse i would use. example 4500/13.8 = 326/.7 = 466. for a 4500 watt amplifier i would want 500 amps of fusing.
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